$ git clone -n https://src.fedoraproject.org/rpms/clutter.git /var/lib/mock/f39-build-1591710-38295/root/chroot_tmpdir/scmroot/clutter
Cloning into '/var/lib/mock/f39-build-1591710-38295/root/chroot_tmpdir/scmroot/clutter'...
$ git fetch origin 0260a44f8feaa8a0f1cb664fc47c47bd21dc9b1a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/clutter
 * [new ref]         0260a44f8feaa8a0f1cb664fc47c47bd21dc9b1a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0260a44 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild